Several streets in the downtown Iowa City and University of Iowa campus area will be closed today to prepare for President Barack Obama’s event this evening.

Market and Jefferson Streets will be closed to vehicles between Clinton and Madison Streets starting at 8:30 a.m. today, according to an Iowa City press release. Clinton Street, between Jefferson and Washington Streets, and Iowa Avenue, between Dubuque and Clinton Streets, will be closed until the event concludes.

Officials are altering the city bus systems to accommodate street closures in downtown and on campus.

The downtown transit interchange for Iowa City and Coralville bus systems will be relocated to Court Street Transportation Center, 380 S. Dubuque Street, starting at 5:45 a.m. and lasting all day, the release said.

A number of Iowa City bus stops will be closed on Friday. A full list of these stops is available on the city’s website. Normal service will resume on Saturday.

East side residence halls will also be locked starting at 2 p.m. today, according to an email from UI Housing and Dining. the lockdown will include Burge, Daum, Currier, and Stanley. Only east side residents will be allowed building access through use of their prox cards.

The Iowa City police advise people who do not plan to attend the Obama-Biden event should be out of the central city by 4 p.m. to avid delays and traffic.

The event is free and open to the public, but tickets are required for admission. The president and Michelle Obama, as well as Vice President Joe Biden and his wife Jill Biden, will be present for today’s event.